:root {
  --background: 218 42% 98%;
  --foreground: 224 30% 14%;
  --primary: 196 88% 45%;
  --secondary: 265 72% 58%;
  --muted: 216 24% 92%;
  --destructive: 4 78% 58%;
  --border: 220 20% 84%;
  --card: 0 0% 100%;
  --shadow-sm: 0 8px 20px hsla(220, 30%, 20%, 0.06);
  --shadow-md: 0 18px 40px hsla(220, 35%, 18%, 0.10);
  --shadow-lg: 0 28px 70px hsla(220, 35%, 14%, 0.16);
  --transition-fast: 160ms ease;
  --transition-smooth: 320ms cubic-bezier(0.22, 1, 0.36, 1);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
}

.dark {
  --background: 225 28% 8%;
  --foreground: 210 20% 95%;
  --primary: 190 92% 58%;
  --secondary: 267 80% 68%;
  --muted: 223 20% 16%;
  --destructive: 5 82% 64%;
  --border: 223 15% 24%;
  --card: 224 24% 11%;
  --shadow-sm: 0 10px 24px hsla(0, 0%, 0%, 0.24);
  --shadow-md: 0 18px 42px hsla(0, 0%, 0%, 0.34);
  --shadow-lg: 0 34px 80px hsla(0, 0%, 0%, 0.46);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, hsla(var(--primary), 0.08), transparent 28%),
    radial-gradient(circle at top right, hsla(var(--secondary), 0.08), transparent 24%),
    hsl(var(--background));
}

#root {
  min-height: 100vh;
}

::selection {
  background: hsla(var(--primary), 0.22);
}

.card-surface {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-md);
}

.panel-glow {
  position: relative;
  overflow: hidden;
}

.panel-glow::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, hsla(var(--primary), 0.16), transparent 35%, hsla(var(--secondary), 0.12));
  pointer-events: none;
  border-radius: inherit;
  opacity: 0.7;
}

.metric-ring {
  background: conic-gradient(hsla(var(--primary), 1) 0deg, hsla(var(--primary), 1) var(--ring-end, 240deg), hsla(var(--muted), 0.9) var(--ring-end, 240deg), hsla(var(--muted), 0.9) 360deg);
}

.soft-grid {
  background-image:
    linear-gradient(hsla(var(--border), 0.45) 1px, transparent 1px),
    linear-gradient(90deg, hsla(var(--border), 0.45) 1px, transparent 1px);
  background-size: 18px 18px;
  background-position: center;
}

.scrollbar-thin::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.scrollbar-thin::-webkit-scrollbar-thumb {
  background: hsla(var(--primary), 0.28);
  border-radius: 999px;
}

.scrollbar-thin::-webkit-scrollbar-track {
  background: transparent;
}

button,
a {
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast);
}

button:hover,
a:hover {
  transform: translateY(-1px);
}

button:active,
a:active {
  transform: translateY(0);
}

.skeleton {
  position: relative;
  overflow: hidden;
  background: hsla(var(--muted), 0.85);
}

.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, hsla(0, 0%, 100%, 0.45), transparent);
  animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

.hash-link-active {
  background: hsla(var(--primary), 0.12);
  color: hsl(var(--primary));
  border-color: hsla(var(--primary), 0.24);
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  box-shadow: 0 0 0 4px currentColor;
}

.fade-in {
  animation: fadeIn 320ms var(--transition-smooth);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}